Finding Equations of LSRL: Old School

Study the table in the spreadsheet. Solving the system of equations (in row 7) for m and b is how they used to find the equations of least square regression lines. Why does this work?

 

Steve Phelps

 
Resource Type
Activity
Tags
conics  correlation  equation 
Target Group (Age)
3 – 19+
Language
English
 
 
GeoGebra version
5.0
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3670
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